Home / 9,135.02-12,587.72-6,303.26

Finding the Fourth Proportional to 9,135.02, 12,587.72 and 6,303.26

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Solution

The fourth proportional to 9,135.02, 12,587.72 and 6,303.26 is: 8,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.02 : 12,587.72 = 6,303.26 : x
  2. Step 2: Convert to fraction form
    9,135.02/12,587.72 = 6,303.26/x
  3. Step 3: Cross multiply
    9,135.02x = 12,587.72 × 6,303.26
  4. Step 4: Simplify right side
    9,135.02x = 79,343,671.97
  5. Step 5: Solve for x
    x = 79,343,671.97/9,135.02
  6. Step 6: Final answer
    x = 8,685.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.